Schedule of Lease Amounts Paid to Related Parties (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
|
Related Party Transaction [Line Items] | ||||
Amount Charged on Leased Premises | $ 25 | $ 25 | $ 75 | $ 150 |
Lease Amounts [Member] | Foster City, CA [Member] | Senior Officers of HGI [Member] | ||||
Related Party Transaction [Line Items] | ||||
Amount Charged on Leased Premises | 0 | 0 | 0 | 76 |
Lease Amounts [Member] | Edwardsville, IL [Member] | Senior Officer of NLEX [Member] | ||||
Related Party Transaction [Line Items] | ||||
Amount Charged on Leased Premises | $ 25 | $ 25 | $ 75 | $ 74 |